package cn.demo.sys.service.impl;

import cn.demo.common.annotation.DataScope;
import cn.demo.common.constant.UserConstants;
import cn.demo.common.core.domain.entity.SysDept;
import cn.demo.common.core.domain.entity.SysRole;
import cn.demo.common.core.domain.entity.SysUser;
import cn.demo.common.core.page.PageQuery;
import cn.demo.common.exception.ServiceException;
import cn.demo.common.utils.*;
import cn.demo.common.utils.bean.BeanValidators;
import cn.demo.common.utils.spring.SpringUtils;
import cn.demo.sys.domain.SysPost;
import cn.demo.sys.domain.SysUserPost;
import cn.demo.sys.domain.SysUserRole;
import cn.demo.sys.mapper.*;
import cn.demo.sys.service.ISysConfigService;
import cn.demo.sys.service.ISysUserService;
import com.mybatisflex.core.paginate.Page;
import com.mybatisflex.core.query.QueryMethods;
import com.mybatisflex.core.query.QueryWrapper;
import com.mybatisflex.core.relation.RelationManager;
import com.mybatisflex.spring.service.impl.ServiceImpl;
import jakarta.annotation.Resource;
import jakarta.validation.Validator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

import static cn.demo.common.core.domain.entity.table.SysRoleTableDef.SYS_ROLE;
import static cn.demo.common.core.domain.entity.table.SysUserTableDef.SYS_USER;
import static cn.demo.sys.domain.table.SysPostTableDef.SYS_POST;
import static cn.demo.sys.domain.table.SysUserPostTableDef.SYS_USER_POST;
import static cn.demo.sys.domain.table.SysUserRoleTableDef.SYS_USER_ROLE;
import static com.mybatisflex.core.query.QueryMethods.*;

/**
 * 用户 业务层处理
 *
 * @author ruoyi
 */
@Service
public class SysUserServiceImpl extends ServiceImpl<SysUserMapper,SysUser> implements ISysUserService {
    private static final Logger log = LoggerFactory.getLogger(SysUserServiceImpl.class);

    @Resource
    private SysUserMapper userMapper;

    @Resource
    private SysDeptMapper deptMapper;

    @Resource
    private SysRoleMapper roleMapper;

    @Resource
    private SysPostMapper postMapper;

    @Resource
    private SysUserRoleMapper userRoleMapper;

    @Resource
    private SysUserPostMapper userPostMapper;

    @Resource
    private ISysConfigService configService;

    @Resource
    protected Validator validator;

    /**
     * 根据条件分页查询用户列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */

    @Override
    @DataScope
    public Page<SysUser> selectUserPage(SysUser user, PageQuery pageQuery) {
        RelationManager.addQueryRelations("dept");
        QueryWrapper queryWrapper = getQueryWrapper(user);
        return userMapper.paginateWithRelations(pageQuery.build(), queryWrapper);
    }

    @Override
    @DataScope
    public List<SysUser> selectUserList(SysUser user) {
        return userMapper.selectListWithRelationsByQuery(getQueryWrapper(user));
    }

    private static QueryWrapper getQueryWrapper(SysUser user) {
        return QueryWrapper.create(user, SysUser.operators)
                .between(SysUser::getCreateTime, DateUtils.beginOfDay(user.getParams().get("beginTime")), DateUtils.endOfDay(user.getParams().get("endTime")), ObjUtils.isNotEmpty(user.getParams().get("beginTime")) && ObjUtils.isNotEmpty(user.getParams().get("beginTime")));
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public Page<SysUser> selectAllocatedPage(SysUser user, PageQuery pageQuery) {
        QueryWrapper queryWrapper = QueryWrapper.create(user, SysUser.operators)
                .and(QueryMethods.exists(select(SYS_USER_ROLE.USER_ID).from(SYS_USER_ROLE).where(SYS_USER_ROLE.USER_ID.eq(SYS_USER.USER_ID).and(SYS_USER_ROLE.ROLE_ID.eq(user.getRoleId())))));
        return userMapper.paginate(pageQuery.build(), queryWrapper);
    }

    /**
     * 根据条件分页查询未分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public Page<SysUser> selectUnallocatedPage(SysUser user, PageQuery pageQuery) {
        QueryWrapper queryWrapper = QueryWrapper.create(user, SysUser.operators)
                .and(QueryMethods.notExists(select(SYS_USER_ROLE.USER_ID).from(SYS_USER_ROLE).where(SYS_USER_ROLE.USER_ID.eq(SYS_USER.USER_ID).and(SYS_USER_ROLE.ROLE_ID.eq(user.getRoleId())))));
        return userMapper.paginate(pageQuery.build(), queryWrapper);
    }


    /**
     * 通过用户名查询用户
     *
     * @param userName 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByUserName(String userName) {
        return userMapper.selectOneByQuery(QueryWrapper.create().eq(SysUser::getUserName,userName));
    }

    /**
     * 通过用户ID查询用户
     *
     * @param userId 用户ID
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserById(String userId) {
        return userMapper.selectOneById(userId);
    }
    @Override
    public SysUser selectUserAndRolesById(String userId) {
        RelationManager.addQueryRelations("roles");
        return userMapper.selectOneWithRelationsById(userId);
    }

    /**
     * 查询用户所属角色组
     *
     * @param userId 用户ID
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup(String userId) {
        List<SysRole> list = roleMapper.selectListByQuery(QueryWrapper.create().join(SYS_USER_ROLE).on(SYS_ROLE.ROLE_ID.eq(SYS_USER_ROLE.ROLE_ID)).and(SYS_USER_ROLE.USER_ID.eq(userId)));
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
    }

    /**
     * 查询用户所属岗位组
     *
     * @param userId 用户名
     * @return 结果
     */
    @Override
    public String selectUserPostGroup(String userId) {
        List<SysPost> list = postMapper.selectListByQuery(QueryWrapper.create().join(SYS_USER_POST).on(SYS_POST.POST_ID.eq(SYS_USER_POST.POST_ID)).and(SYS_USER_POST.USER_ID.eq(userId)));
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
    }

    /**
     * 校验用户名称是否唯一
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkUserNameUnique(SysUser user) {
        SysUser info = userMapper.checkUserNameUnique(user.getUserName());
        return checkUnique(info, user);
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkPhoneUnique(SysUser user) {
        SysUser info = userMapper.checkPhoneUnique(user.getPhoneNumber());
        return checkUnique(info, user);
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkEmailUnique(SysUser user) {
        SysUser info = userMapper.checkEmailUnique(user.getEmail());
        return checkUnique(info, user);
    }

    private static boolean checkUnique(SysUser info, SysUser user) {
        if (ObjUtils.isNotNull(info) && !info.getUserId().equals(user.getUserId())) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验用户是否允许操作
     *
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed(SysUser user) {
        if (ObjUtils.isNotNull(user.getUserId()) && user.isAdmin()) {
            throw new ServiceException("不允许操作超级管理员用户");
        }
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope(String userId) {
        if (!SysUser.isAdmin(SecurityUtils.getUserId())) {
            SysUser user = new SysUser();
            user.setUserId(userId);
            List<SysUser> users = SpringUtils.getAopProxy(this).selectUserList(user);
            if (ObjUtils.isEmpty(users)) {
                throw new ServiceException("没有权限访问用户数据！");
            }
        }
    }

    /**
     * 新增保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int insertUser(SysUser user) {
        // 新增用户信息
        int rows = userMapper.insert(user);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
        return rows;
    }

    /**
     * 注册用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean registerUser(SysUser user) {
        return userMapper.insert(user) > 0;
    }

    /**
     * 修改保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateUser(SysUser user) {
        String userId = user.getUserId();
        // 删除用户与角色关联
        userRoleMapper.deleteByQuery(QueryWrapper.create().eq(SysUserRole::getUserId, userId));
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        userPostMapper.deleteByQuery(QueryWrapper.create().eq(SysUserPost::getUserId, userId));
        // 新增用户与岗位管理
        insertUserPost(user);
        return userMapper.update(user);
    }

    /**
     * 用户授权角色
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    @Override
    @Transactional
    public void insertUserAuth(String userId, String[] roleIds) {
        userRoleMapper.deleteById(userId);
        insertUserRole(userId, roleIds);
    }

    /**
     * 修改用户状态
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserStatus(SysUser user) {
        return userMapper.update(user);
    }

    /**
     * 修改用户基本信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserProfile(SysUser user) {
        return userMapper.update(user);
    }

    /**
     * 修改用户头像
     *
     * @param userId 用户id
     * @param avatar 头像地址
     * @return 结果
     */
    @Override
    public boolean updateUserAvatar(String userId, String avatar) {
        return userMapper.updateUserAvatar(userId, avatar) > 0;
    }

    /**
     * 重置用户密码
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int resetPwd(SysUser user) {
        return userMapper.update(user);
    }

    /**
     * 重置用户密码
     *
     * @param userId   用户id
     * @param password 密码
     * @return 结果
     */
    @Override
    public int resetUserPwd(String userId, String password) {
        return userMapper.resetUserPwd(userId, password);
    }

    /**
     * 新增用户角色信息
     *
     * @param user 用户对象
     */
    public void insertUserRole(SysUser user) {
        this.insertUserRole(user.getUserId(), user.getRoleIds());
    }

    /**
     * 新增用户岗位信息
     *
     * @param user 用户对象
     */
    public void insertUserPost(SysUser user) {
        String[] posts = user.getPostIds();
        if (ObjUtils.isNotEmpty(posts)) {
            // 新增用户与岗位管理
            List<SysUserPost> list = new ArrayList<SysUserPost>(posts.length);
            for (String postId : posts) {
                SysUserPost up = new SysUserPost();
                up.setUserId(user.getUserId());
                up.setPostId(postId);
                list.add(up);
            }
            userPostMapper.insertBatch(list);
        }
    }

    /**
     * 新增用户角色信息
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole(String userId, String[] roleIds) {
        if (ObjUtils.isNotEmpty(roleIds)) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<SysUserRole>(roleIds.length);
            for (String roleId : roleIds) {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(userId);
                ur.setRoleId(roleId);
                list.add(ur);
            }
            userRoleMapper.insertBatch(list);
        }
    }

    /**
     * 通过用户ID删除用户
     *
     * @param userId 用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserById(String userId) {
        // 删除用户与角色关联
        userRoleMapper.deleteByQuery(QueryWrapper.create().eq(SysUserRole::getUserId, userId));
        // 删除用户与岗位表
        userPostMapper.deleteByQuery(QueryWrapper.create().eq(SysUserPost::getUserId, userId));
        return userMapper.deleteById(userId);
    }

    /**
     * 批量删除用户信息
     *
     * @param userIds 需要删除的用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserByIds(List<String> userIds) {
        for (String userId : userIds) {
            checkUserAllowed(new SysUser(userId));
            checkUserDataScope(userId);
        }
        // 删除用户与角色关联
        userRoleMapper.deleteByQuery(QueryWrapper.create().in(SysUserRole::getUserId, userIds));
        // 删除用户与岗位关联
        userPostMapper.deleteByQuery(QueryWrapper.create().in(SysUserPost::getUserId, userIds));
        return userMapper.deleteBatchByIds(userIds);
    }

    /**
     * 导入用户数据
     *
     * @param userList        用户数据列表
     * @param isUpdateSupport 是否更新支持，如果已存在，则进行更新数据
     * @return 结果
     */
    @Override
    public String importUser(List<SysUser> userList, Boolean isUpdateSupport) {
        if (CollectionUtils.isEmpty(userList)) {
            throw new ServiceException("导入用户数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        String password = configService.selectConfigByKey("sys.user.initPassword");
        for (SysUser user : userList) {
            try {
                // 验证是否存在这个用户
                SysUser u = selectUserByUserName(user.getUserName());
                if (ObjUtils.isNull(u)) {
                    BeanValidators.validateWithException(validator, user);
                    user.setPassword(SecurityUtils.encryptPassword(password));
                    userMapper.insert(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 导入成功");
                } else if (isUpdateSupport) {
                    BeanValidators.validateWithException(validator, user);
                    checkUserAllowed(u);
                    checkUserDataScope(u.getUserId());
                    user.setUserId(u.getUserId());
                    userMapper.update(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 更新成功");
                } else {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUserName() + " 已存在");
                }
            } catch (Exception e) {
                failureNum++;
                String msg = "<br/>" + failureNum + "、账号 " + user.getUserName() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        if (failureNum > 0) {
            failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
            throw new ServiceException(failureMsg.toString());
        } else {
            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
        }
        return successMsg.toString();
    }

    /**
     * 获取部门及子部门集合
     *
     * @param user 用户信息
     * @return 菜单权限信息
     */
    @Override
    public Set<String> getDeptIds(SysUser user) {
        Set<String> perms = new HashSet<>();
        perms.add(user.getDeptId());
        // 管理员拥有所有权限
        if (user.isAdmin()) {
            perms.addAll(deptMapper.selectListByQuery(QueryWrapper.create()).stream().map(SysDept::getDeptId).collect(Collectors.toSet()));
        } else {
            perms.addAll(deptMapper.selectListByQuery(QueryWrapper.create().and("find_in_set(?, ancestors)", user.getDeptId())).stream().map(SysDept::getDeptId).collect(Collectors.toSet()));
        }
        return perms;
    }
}
